Speaker grill



FIG. 1 is a perspective view of a speaker grill showing my new design;

FIG. 2 is a front elevational view thereof; and,

FIG. 3 is a side elevational view of one side thereof, the other side view being a mirror image thereof.

The broken line showing of the speaker housing and the driver behind the grill is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a speaker grill, as shown and described. 